The Mariana Trench 400 series is all about delivering material richness and on-trend styling for a sophisticated daily wear. The inspiration for the colorways and design details were taken from those tranquil days on a remote beach; The filigree on inlayed core wire represents the pattern on the sand while the translucent acetate symbolizes the crystal-clear waters. Mariana Trench 400 is a male, soft square, made from Bio-Acetate. Featuring a beautifully crafted inlayed core wire in the temples for durability and fit adjustability. Additionally, the 5-Barrel hinges are a premium component which convey quality, and a laser engraved wave pattern on the temples provides additional grip and richness in detail. Costa Del Mar eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. Costa Del Mar eyeglass frames sold by authorized sellers like Amazon are eligible for all manufacturer warranties. Included is a microbag and cleaning cloth. Click on the Costa Del Mar link above the product title to shop the entire assortment.